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Unformatted text preview: ed option” for the following reasons: cement simulations suggested that cementing the long string was unlikely to be successful due to formation breakdown; using a long string would prevent BP from meeting regulatory requirements of 500 feet of cement above the top hydrocarbon zone; the long string would result in an open annulus to the wellhead, with hydrocarbon zones(s) open to 9‐7/8 inch seal assembly as the only barrier; and the potential need to verify the cement job with a bond log and to perform one or more remedial cement jobs prior to the temporary abandonment of the well. 81 BP‐HZN‐MBI00020910. 81 37 BP also identified advantages of using a liner design, including that the liner hanger would act as second barrier for hydrocarbons in the annulus; the primary cement job on the liner had a slightly better chance for successful cement lift due to lower ECD; 82 and it would be easier to justify postponing any remedial cement job until after the temporary abandonment procedure was completed. 83 BP employees evaluated these approaches t...
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This note was uploaded on 01/18/2014 for the course BEPP 305 taught by Professor Nini during the Fall '11 term at UPenn.

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